Su-47 "Berkut" technical Data.
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Su-47 "Berkut" Technical Data.

Su-47 Album

DESCRIPTION:

su-47 picture albumOriginally known as the S-37, Sukhoi redesignated its advanced test aircraft as the Su-47 in 2002 reflecting the decision to market the design as a production fighter rather than as an experimental prototype. Also commonly referred to as the Berkut (Golden Eagle), the Su-47 was originally built as Russia's principle testbed for composite materials andsophisticated fly-by-wire control systems.

The aircraft makes use of forward-swept wings allowing superb maneuverability and operation at angles of attack up to 45° or more. The advantages of forward sweep have long been known as such wings offer lower wave drag, reduced bending moments, and delayed stall when compared to more traditional wing shapes.
Unfortunately, forward sweep also induces significant wing twist that would shear most wings off the aircraft. To solve this problem, the Su-47 makes use of composite materials carefully tailored to resist twisting while still allowing the wing to bend for improved aerodynamic behavior. To reduce development costs, the S-37 borrowed the forward fuselage, vertical tails, and landing gear of the Su-27 family.
Nonetheless, the aircraft includes reduced radar signature features (including radar absorbent materials), an internal weapons bay, and space set aside for an advanced radar.

Though similar in overall concept to the American X-29 research aircraft of the 1980s, the Su-47 is about twice the size and far closer to an actual combat aircraft than the US design.
Su-47 has shown far superior manuvering in the air to any aircraft known to this date.
Like the X-29 though, the Su-47 was primarily a technology demonstrator, one intended to lay the foundation for the next Russian fighter. Such a fighter must not only be as advanced as the US F-22 and Eurofighter Typhoon, but must also compete for funding with the more conventional MiGs. However, Sukhoi is now attempting to market the Su-47 to the Russian military and foreign customers as a production fighter in its own right. Initial reaction was not good, but the aircraft's performance has been so impressive that the Russian government has made funds available for further testing of the design.
Still, the low budgets of the Russian military and the aircraft's high price tag make it unlikely that the Su-47 will be purchased any time in the near future.

Data below subject to change as more details of the S-37 become available

HISTORY:
First Flight25 September 1997
Service Entry

not yet in service

CREW: 1 pilot

ESTIMATED COST:

unknown

AIRFOIL SECTIONS:
Wing Rootunknown
Wing Tip

unknown

DIMENSIONS:
Length72.83 ft (22.60 m)
Wingspan74.00 ft (16.70 m)
Height19.33 ft (5.90 m)
Wing Area666 ft2 (62.0 m2)
Canard Area

unknown

WEIGHTS:
Emptyunknown
Typical Load57,320 lb (26,000 kg)
Max Takeoff74,955 lb (34,000 kg)
Fuel Capacityinternal: unknown
external: unknown
Max Payload

unknown

PROPULSION:
Powerplanttwo Aviadvigatel D-30F6 afterburningturbofans (original)
two Saturn/ Lyul'ka AL-37FU afterburning turbofans(planned)
Thrust68,340 lb (303.8 kN) [D-30F6]
37,480 lb(166.7 kN) [AL-37U]
63,930 lb (284.4 kN) [AL-37U] with afterburner

PERFORMANCE:
Max LevelSpeed at altitude: 1,555 mph (2,500km/h)
at sea level: 870 mph (1,400 km/h)
Initial ClimbRate 45,275 ft (13,810 m) / min
ServiceCeiling 61,680 ft (18,800 m)
Rangetypical: 2,100 nm (3,880km)
ferry: unknown
g-Limitsunknown

ARMAMENT:
Gunone 30-mm GSh-30 cannon (150 rds)
Stationsone internal weapons bay
Air-to-AirMissile R-27/AA-10 Alamo, R-73/AA-11 Archer(presumably)
Air-to-SurfaceMissile unknown
Bombunknown
Otherunknown

KNOWN VARIANTS:
S-32 Original designation seen on thefirst prototype
S-37 New designation for anexperimental single-seat fighter prototype; 1 built
Su-47 Redesignation for the design asmarketed by Sukhoi which has promoted the aircraft as a production fighter

KNOWN COMBATRECORD:

not yet in service

KNOWN OPERATORS:

none

3-VIEW SCHEMATIC:

s-37 berkut

Su-47 Album
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